分离指数
- 网络Separation Index
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实验结果表明,热处理条件对复合膜的分离选择性、渗透通量及分离指数具有明显影响。
Experiment results show that heat treatment conditions have remarkable effects on the permselectivity , permeability and pervaporation separation index .
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根据研究体系的实际,定义了分离系数、渗透通量以及渗透蒸发分离指数的数学表达式,并以此为基准,考察了分离条件与上述分离特性参数间的关系。
The expressions of separation factor , permeation rates and pervaporation separation index are defined mathematically for the system . The relationship of these parameters is examined at separation condition .
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当STA的含量为12wt%时,膜的分离指数达到了极大值。
The PSI of the membranes achieved the maximum when the STA content is 12wt % .
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参比液的水分离指数测定影响因素探讨
Studies on Influences of Water Separation Characteristics Determination for Reference Fluid
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航空喷气燃料水分离指数测定法
Testing method for water separation characteristic of aviation turbine fuels
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通过区位商数和分离指数的计算分析,揭示了未来土地利用方式的时空变化趋势。
The trend of land use structure is analyzed by calculating locational quotient and segregation index .
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差等生境斑块数量减少了2385,分离度指数增加了0.911,最大斑块面积减少了5.4km~2;
Bad ones decreased by 2385 and separation index increased by 0.911 , and the maximum patch decreased by 5.4km ~ 2 ;
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景观破碎化程度相对较高,分离度指数相对较低,斑块分布较为集中;
The landscape dominance and fragmentation were relatively high , the Isolation indices were relatively low , and the distribution of patches was relatively centralized ;
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斑块密度、破碎度与分离度指数均可反映景观的破碎化程度,整个研究区景观的破碎度有所增加,尤其是旱地、人为影响林地与荒草地增加显著。
Patch density , degree of fragmentation and splitting indexes all can reflect the degree of fragmentation . The landscape degree of fragmentation had increased in entire research area . Dry land , human effect forest land and waste-grass land increased obviously .
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研究区的分离度指数、多样性指数和均匀度指数都是逐年增加,表明:绿地景观被割裂的程度和破碎化程度逐年增加,城市绿地景观的各斑块类型逐渐均匀分布。
The separation index , diversity index and evenness index in study area was increased year by year . It showed that the extent degree and fragmentation of the green landscape was increased , and each patch type was increasingly evenly distributed year by year .
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土地利用斑块形状变得简单规则、空间分布集中,景观边缘密度、形状指数和分离度指数明显降低,降幅超过29%,分维数略有降低,而聚集度升高。
In the whole landscape , the land use patches became simple and regular , landscape edge density , shape index and splitting index decreased over 29 % , whereas aggregation index slightly increased , when land consolidation has been finished . Land consolidation reduces landscape fragmentation .
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研究了积分分离PID,指数积分PID和FUZZYPID控制算法在发酵过程温度控制中的应用。
Application of integration separated PID control , exponential integration PID control , and fuzzy PID control of temperature of biological fermentation was studied .
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结果表明:表观流速和分离效率成指数衰减关系,其曲线存在2个分离区域和1个拐点;
The studies show that the separation efficiency reduces by exponential decay with the table view flow rate increasing , and there are two separation zones and a inflection point in the curve .
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罗非鱼外周血白细胞分离与血细胞指数研究
The optimal separation condition of leucocytes in peripheral blood and the blood cell index in tilapia
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本文指出了影响物料热稳定性的两个主要因素操作温度T和受热时间t之间的关系,给出了评价热敏物料热稳定性指数I(?)及分离设备的降解指数I(?)
The relationship between two major factors , operating temperature and heated time , which have a great effects on the thermal stability of heat sensitive materials , are pointed out and the thermal stability index and degradation index are defined for evaluating the materials and separation equipment respectively .
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分离度符合要求。分离度指数在一定尺度上是交通和工矿业用地最大,耕地、林地、牧草地相对较小。
Resolution between tetrahydropalmatine and other peaks met the requirements . In the scale , the isolation index of the traffic land and industrial land relatively was higher than that of the cultivatable land and grassland .